static function readfile($file, $mime = true, $filename = true)
{
$h = patchworkPath($file);
if (!$h || !file_exists($h) || is_dir($h)) {
user_error(__METHOD__ . "(..): invalid file ({$file})");
return;
}
$file = $h;
if (true === $mime) {
$mime = strtolower(strrchr($file, '.'));
$mime = isset(self::$contentType[$mime]) ? self::$contentType[$mime] : false;
}
$mime || ($mime = isset(p::$headers['content-type']) ? substr(p::$headers['content-type'], 14) : 'application/octet-stream');
$mime = strtolower($mime);
$head = 'HEAD' == $_SERVER['REQUEST_METHOD'];
$gzip = p::gzipAllowed($mime);
$filter = $gzip || $head || !$CONFIG['xsendfile'] || in_array($mime, self::$ieSniffedTypes_edit) || in_array($mime, p::$ieSniffedTypes_download);
header('Content-Type: ' . $mime);
if ($filename) {
$filename = basename(true === $filename ? $_SERVER['PATCHWORK_REQUEST'] : $filename);
$size = false;
if (!$filter) {
// Force IE>=8 to respect attachment content disposition
header('X-Download-Options: noopen');
}
// It seems that IE assumes that filename is represented in its local system charset...
// But we don't want to introduce "Vary: User-Agent" just because of this.
if (('POST' === $_SERVER['REQUEST_METHOD'] || p::$private) && isset($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') && !strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') && preg_match('/[\\x80-\\xFF]/', $filename)) {
if (stripos(p::$headers['content-type'], 'octet-stream') && preg_match('#(.*)(\\.[- -,/-~]+)$#D', $filename, $size)) {
// Don't search any rational here, it's IE...
header('Content-Disposition: attachment; filename=' . rawurlencode($size[1]) . str_replace('"', "''", $size[2]));
} else {
$filename = Patchwork\Utf8::toAscii($filename);
}
}
$size || header('Content-Disposition: attachment; filename="' . str_replace('"', "''", $filename) . '"');
// If only RFC 2231 were in use... See http://greenbytes.de/tech/tc2231/
//header('Content-Disposition: attachment; filename*=utf-8''" . rawurlencode($filename));
} else {
if (false !== strpos($mime, 'html')) {
header('P3P: CP="' . $CONFIG['P3P'] . '"');
header('X-XSS-Protection: 1; mode=block');
}
}
$size = filesize($file);
p::$ETag = $size . '-' . p::$LastModified . '-' . fileinode($file);
p::$LastModified = filemtime($file);
p::$binaryMode = true;
p::disable();
class_exists('SESSION', false) && s::close();
class_exists('adapter_DB', false) && \adapter_DB::__free();
$gzip || ob_start();
$filter && ob_start(array(__CLASS__, 'ob_filterOutput'), 32768);
// Transform relative URLs to absolute ones
if ($gzip) {
if (0 === strncasecmp($mime, 'text/css', 8)) {
self::$filterRx = "@([\\s:]url\\(\\s*[\"']?)(?![/\\\\#\"']|[^\\)\n\r:/\"']+?:)@i";
ob_start(array(__CLASS__, 'filter'), 32768);
} else {
if (0 === strncasecmp($mime, 'text/html', 9) || 0 === strncasecmp($mime, 'text/x-component', 16)) {
self::$filterRx = "@(<[^<>]+?\\s(?:href|src)\\s*=\\s*[\"']?)(?![/\\\\#\"']|[^\n\r:/\"']+?:)@i";
ob_start(array(__CLASS__, 'filter'), 32768);
}
}
}
if ($filter) {
$h = fopen($file, 'rb');
echo $starting_data = fread($h, 256);
// For p::ob_filterOutput to fix IE
if ($gzip) {
if ($head) {
ob_end_clean();
}
$data = '';
$starting_data = false;
} else {
ob_end_flush();
$data = ob_get_clean();
$size += strlen($data) - strlen($starting_data);
$starting_data = $data == $starting_data;
}
} else {
$starting_data = true;
}
if (!$head) {
if ($starting_data && $CONFIG['xsendfile']) {
header(sprintf($CONFIG['xsendfile'], $file));
} else {
if ($range = $starting_data && !$gzip) {
header('Accept-Ranges: bytes');
$range = isset($_SERVER['HTTP_RANGE']) ? p\HttpRange::negociate($size, p::$ETag, p::$LastModified) : false;
} else {
header('Accept-Ranges: none');
}
set_time_limit(0);
ignore_user_abort(false);
if ($range) {
unset(p::$headers['content-type']);
p\HttpRange::sendChunks($range, $h, $mime, $size);
} else {
$gzip || header('Content-Length: ' . $size);
echo $data;
feof($h) || fpassthru($h);
}
}
}
$filter && fclose($h);
}